Scanning method and apparatus

Details Scanning method and apparatus Scanning method and apparatus

Filed on

2006-06-02

Date issued

2011-11-22

Examiner

Gaworecki, Mark R (Department: 2884)

Patent Class

Radiant energy

SubClass

Infrared-to-visible imaging

Other Related Categories

C250S353000

Type

Reexamination Certificate

Status

active

Patent number

08063366

Description

ABSTRACT:
In a terahertz imaging system, a scanning component for scanning a field of view is tracked by an optical beam to obtain positional information. The optical tracking beam can be steered by the scanning component for example by reflection, refraction or diffraction. The steered tracking beam can then be detected by a spatially sensitive detector such as a charge-coupled device array. In a preferred embodiment, the output of a terahertz detector receiving terahertz radiation from the scanned field of view is used to modulate the tracking beam. This means that the spatially sensitive detector can provide an image directly derived from the scanning of the field of view by the terahertz radiation.

REFERENCES:
patent: 4564757 (1986-01-01), LaBudde et al.
patent: 2004/0149909 (2004-08-01), Vaidya et al.
patent: 2004/038854 (2004-05-01), None
patent: 2004/038854 (2004-05-01), None
patent: 2005/026833 (2005-03-01), None
patent: 2005/026833 (2005-03-01), None
International Search Report for PCT/GB2006/002034 mailed Sep. 11, 2006.

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